#include <iostream>
#include <cmath>

using namespace std;

// 3304. 找出第 K 个字符 I
// https://leetcode.cn/problems/find-the-k-th-character-in-string-game-i/description/?envType=daily-question&envId=2025-07-03

class Solution {
public:
    char kthCharacter(int k) {
        int cnt = ceil(log2(k));
        int offset = cnt;
        int ans = k % 2;
        return ans + offset + 'a';
    }
};

int main()
{
    return 0;
}